- All sections
- C - Chemistry; metallurgy
- C04B - Lime; magnesia; slag; cements; compositions thereof, e.g. mortars, concrete or like building materials; artificial stone; ceramics; refractories; treatment of natural stone
- C04B 35/493 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products based on oxides based on zirconium or hafnium oxides or zirconates or hafnates containing also titanium oxide or titanates based on lead zirconates and lead titanates containing also other lead compounds
Patent holdings for IPC class C04B 35/493
Total number of patents in this class: 73
10-year publication summary
|
5
|
13
|
9
|
4
|
2
|
0
|
0
|
3
|
1
|
2
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Murata Manufacturing Co., Ltd. | 22355 |
14 |
| TDK Electronics AG | 863 |
9 |
| Epcos AG | 778 |
8 |
| Taiyo Yuden Co., Ltd. | 1809 |
7 |
| FUJIFILM Corporation | 27102 |
5 |
| Kyocera Corporation | 12735 |
5 |
| Piezotech, LLC | 24 |
5 |
| Mitsubishi Materials Corporation | 2378 |
4 |
| NGK Insulators, Ltd. | 4589 |
3 |
| National Institute for Materials Science | 1108 |
3 |
| UChicago Argonne, LLC | 866 |
2 |
| Siemens AG | 24990 |
1 |
| Ricoh Company, Ltd. | 13266 |
1 |
| Applied Materials, Inc. | 16587 |
1 |
| TDK Corporation | 6306 |
1 |
| CeramTec GmbH | 319 |
1 |
| Pneuma Respiratory, Inc. | 66 |
1 |
| TRS Technologies, Inc. | 14 |
1 |
| Virginia Tech Intellectual Properties, Inc. | 772 |
1 |
| Other owners | 0 |